Hair curling iron



FIG. 1 is a top plan view of a hair curling iron showing my new design;

FIG. 2 is a left side elevational view of the hair curling iron;

FIG. 3 is a bottom plan view of the hair curling iron;

FIG. 4 is a rear elevational view of the hair curling iron; and

FIG. 5 is a front elevational view of the hair curling iron; 

The ornamental design for a hair curling iron, as shown. 